Math problem
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Acer




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PostPosted: Fri, 30th Apr 2010 00:32    Post subject: Math problem
Someone help me with this, X/2 = 2X, X cannot be 0.
Wtf is X?


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ixigia
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PostPosted: Fri, 30th Apr 2010 00:38    Post subject:
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TSR69
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PostPosted: Fri, 30th Apr 2010 00:41    Post subject:
Laughing the answer that comes to mind is ∞
yep there are different sizes of infinity but this makes no sense Neutral


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DarkPassenger




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PostPosted: Fri, 30th Apr 2010 00:42    Post subject:
it can't be anything other than 0
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DXWarlock
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PostPosted: Fri, 30th Apr 2010 02:56    Post subject:
0 is the only logical answer by any mathematical means.

any number higher than 0 creates a exponentially larger difference between the 2 sides of the equation.
any number smaller than 0 (negative) has the same effect. so -0.0001 to 0.0001 both prove too large of a number to use...
(with any smaller division of .0000~1 creating the same effect also)

if its infinity as the answer, they are just using that loophole to make a riddle that's unanswerable..without using the irrational status of infinity.


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TSR69
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PostPosted: Fri, 30th Apr 2010 03:43    Post subject:
I have some alternative explanation
in both Greek and Cyrillic numerals (Chi and Kha) X means 600
So X / 2 = 300
and that should indicate that X = 150 since 2 X = 300, right?
then we google X 150 and look:

it's the Nilfisk Extreme X150, man this sucks Sad


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JeanPerrier




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PostPosted: Fri, 30th Apr 2010 03:55    Post subject:
why do you have to find a value for x?

the answer to x/2=2x equals cabbage obviously


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Frant
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PostPosted: Fri, 30th Apr 2010 06:02    Post subject: Re: Math problem
Acer wrote:
Someone help me with this, X/2 = 2X, X cannot be 0.
Wtf is X?


X/2 = 2X = paradox if you don't allow X=0. It's not a normal number in any case.


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Nalo
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PostPosted: Fri, 30th Apr 2010 06:08    Post subject:
⁢⁢


Last edited by Nalo on Wed, 3rd Jul 2024 07:13; edited 2 times in total
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Ragedoctor




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PostPosted: Fri, 30th Apr 2010 10:13    Post subject:
Lol, this is clearly an impossible solution if you exclude 0, if you multiply something and devide something by the same amount they will never be the same unless the basenumber is 0.
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tonizito
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PostPosted: Fri, 30th Apr 2010 10:31    Post subject:
iconized wrote:
I have some alternative explanation
in both Greek and Cyrillic numerals (Chi and Kha) X means 600
So X / 2 = 300
and that should indicate that X = 150 since 2 X = 300, right?
then we google X 150 and look:

it's the Nilfisk Extreme X150, man this sucks Sad
Laughing


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Sin317
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PostPosted: Fri, 30th Apr 2010 11:22    Post subject:
btw, it cant be 0 either, because you cant divide 0 (or divide BY 0 ?) either way, cant be zero Smile
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StrEagle




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PostPosted: Fri, 30th Apr 2010 12:27    Post subject:
You can divide and multiply 0 with any other number, the answer is 0
you can't divide BY 0 (in regular mathematics anyway)

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SilverBlue




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PostPosted: Fri, 30th Apr 2010 14:17    Post subject:
Sometimes I am glad I failed math in high school. Sad
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helvete




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PostPosted: Fri, 30th Apr 2010 15:59    Post subject:
Can't be infinity either. A certain infinity times two is not the same as the same infinity divided by two.
But no worries, I've cracked it! X = B, and B = 0. Tada!


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me7




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PostPosted: Fri, 30th Apr 2010 16:07    Post subject: Re: Math problem
Acer wrote:
Someone help me with this, X/2 = 2X, X cannot be 0.
Wtf is X?


It seems like you made a mistake along the way to this last equation. Maybe you should post the whole exercise.
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human_steel




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PostPosted: Fri, 30th Apr 2010 17:03    Post subject:
Laughing

We have a standard equation at hand here: x/2=2x (the set of allowed values is infinity). You get 3x=0 after you've applied all your mathematical tricks out of your wizard's sack. Laughing So, the only digit that can apply for the spot of x is zero. It's the only solution to the problem. And if we are strictly forbidden to use zero, then there's simply no other digit (in the world of real numbers) that can satisfy.
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LeoNatan
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PostPosted: Fri, 30th Apr 2010 17:11    Post subject:
If x cannot be 0,

x/2 = 2x
x = 4x
x/x = 4x/x (x != 0)
1 = 4 Shocked

There you go, we shook the very foundations of math. Laughing Edit: Shit, silly paradox was mentioned already. Razz


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Last edited by LeoNatan on Fri, 30th Apr 2010 17:14; edited 1 time in total
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Frant
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PostPosted: Fri, 30th Apr 2010 17:13    Post subject:
xy-yx = 1

Classic.


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human_steel




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PostPosted: Fri, 30th Apr 2010 17:13    Post subject:
Crying or Very sad
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Nalo
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PostPosted: Fri, 30th Apr 2010 17:16    Post subject:
⁢⁢


Last edited by Nalo on Wed, 3rd Jul 2024 07:13; edited 2 times in total
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Acer




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PostPosted: Fri, 30th Apr 2010 17:30    Post subject:
This girl posted this on a match making site. She didnt interest me as much as the math problem Razz


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ixigia
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PostPosted: Fri, 30th Apr 2010 17:30    Post subject:
X/2=2X
X=4X
X-4X=0
X(1-4)=0
-3X=0
-3X+1/2=0+1/2
-6X+1=1
(-6X+1)^2=(1)^2
36X^2+1-12X=1
12X(3X-12)=0

X1=0
X2=4 shit we have one X different than 0 lol wut
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VGAdeadcafe




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PostPosted: Fri, 30th Apr 2010 17:41    Post subject:
-6X+1=1
(-6X+1)^2=(1)^2

Lol, that step is wrong ...
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ixigia
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PostPosted: Fri, 30th Apr 2010 17:47    Post subject:
lol wut huh?
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LeoNatan
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PostPosted: Fri, 30th Apr 2010 17:50    Post subject:
Actually is not wrong. Confused
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me7




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PostPosted: Fri, 30th Apr 2010 18:16    Post subject:
Why make it so complicated? If we assume that X can't be 0, then we must be allowed to divide the equation by X. Doing that results in 1/2 = 2 which is an obvious paradox.
End of story.
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Frant
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PostPosted: Fri, 30th Apr 2010 18:18    Post subject:
I still want to know what X and Y is: xy-yx = 1

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me7




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PostPosted: Fri, 30th Apr 2010 18:27    Post subject:
edit: ignore.
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Frant
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PostPosted: Fri, 30th Apr 2010 18:30    Post subject:
an + bn = cn

This is proof of many lifetimes waste on something abstract that in the end is pretty much pointless. Fermat sure knew what he was doing when he decided to torture star mathematicians for many many years. Razz


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